Stacked body for display device and display device

Abstract

The present disclosure provides a stacked body for a display device comprising a substrate layer; and a functional layer, wherein the functional layer includes a resin, an organic based ultraviolet absorber, and an inorganic based ultraviolet absorber, and when a transmitted yellowness measured by a colorimetry method not using an integrating sphere is regarded as a first transmitted yellowness, and a transmitted yellowness measured by a colorimetry method using an integrating sphere is regarded as a second transmitted yellowness, a value obtained by subtracting the second transmitted yellowness of the stacked body for a display device from the first transmitted yellowness of the stacked body for a display device is 0.4 or more.

1 . A stacked body for a display device comprising a substrate layer; and a functional layer,
 wherein the functional layer includes a resin, an organic based ultraviolet absorber, and an inorganic based ultraviolet absorber; and   when a transmitted yellowness measured by a colorimetry method not using an integrating sphere is regarded as a first transmitted yellowness, and a transmitted yellowness measured by a colorimetry method using an integrating sphere is regarded as a second transmitted yellowness, a value obtained by subtracting the second transmitted yellowness of the stacked body for a display device from the first transmitted yellowness of the stacked body for a display device is 0.4 or more.   
     
     
         2 . The stacked body for a display device according to  claim 1 , wherein an average particle size of the inorganic based ultraviolet absorber is 10 nm or more and 100 nm or less. 
     
     
         3 . The stacked body for a display device according to  claim 1 , wherein the inorganic based ultraviolet absorber is unevenly distributed on a surface of the functional layer, on an opposite side surface to the substrate layer. 
     
     
         4 . The stacked body for a display device according to  claim 3 , wherein, when a content of the inorganic based ultraviolet absorber in the functional layer is 100% by mass, a content of the inorganic based ultraviolet absorber included in a portion from a surface of the functional layer, on an opposite side surface to the substrate layer, to a position half a thickness of the functional layer is 70% by mass or more. 
     
     
         5 . The stacked body for a display device according to  claim 1 , wherein the organic based ultraviolet absorber is evenly distributed in the functional layer. 
     
     
         6 . The stacked body for a display device according to  claim 1 , wherein the functional layer incudes an inorganic particle. 
     
     
         7 . The stacked body for a display device according to  claim 6 , wherein the inorganic particle is included in the functional layer more than the inorganic based ultraviolet absorber, on a mass basis. 
     
     
         8 . The stacked body for a display device according to  claim 7 , wherein a mass ratio of the inorganic based ultraviolet absorber and the inorganic particle is 1:99 to 10:90. 
     
     
         9 . The stacked body for a display device according to  claim 1 , wherein the functional layer includes a color conditioner. 
     
     
         10 . The stacked body for a display device according to  claim 1 , wherein the substrate is a resin substrate. 
     
     
         11 . The stacked body for a display device according to  claim 10 , wherein the resin substrate includes polyimide based resin. 
     
     
         12 . The stacked body for a display device body according to  claim 1 , wherein an impact absorbing layer is included on the substrate layer, on an opposite surface side to the functional layer, or between the substrate layer and the functional layer. 
     
     
         13 . The stacked body for a display device according to  claim 1 , wherein an adhesive layer for adhesion is included on the substrate layer, on an opposite surface side to the functional layer. 
     
     
         14 . The stacked body for a display device according to  claim 1 , wherein a second functional layer is included on the functional layer, on an opposite surface side to the substrate layer. 
     
     
         15 . The stacked body for a display device according to  claim 1 , wherein a second functional layer is included on the substrate layer, on an opposite surface side to the functional layer. 
     
     
         16 . A display device comprising:
 a display panel, and   the stacked body for a display device according to  claim 1  placed on an observer side of the display panel.